Ibpointless2 Crystal Cells

[NickZ]

  The carbon from the art store sounds good, and should work well.  I would also try one cell as a test without the semiconductor treatment to see how it compares to one with the treatment. Use some e-poxy on top of the rubber plug to further help to seal it up, making sure the area around the outside of the electrodes is also well sealed. The rubber plug on top of the capacitor can by itself is not enough to make a proper hermetic seal.
 
   Try putting a single ground wire to an outside stake in the ground,  it will substitute you having to hold the end of the 4 cells leds for them to light.  Play with that,  as that is where the magic is at...  and will show you that the cells are also working in a non-galvanic way,  as I've been saying all along. 

[NickZ]

  Forgot to place a picture of my tiny new cell, each dry cell has about a volt, and 9 or 10mA.
Can you picture a bunch of them mounted on a pc board, feeding an oscillator circuit?
                                                                                                                                   NZ

[hartiberlin]

Hi NickZ,

the best cheaply available conductive carbon is still
lampblack or graphite powder which is sold for painters..
So you get it in a painter materials shop.
Or you can do the lampblack yourself by using many candles
and let the flames blacken on a stainless steel plate above
or something simular.

Also you can heat up and red glow coal briketts
and before they are totally burned up and already have some white ash on the outside,
the inner black powder is converted to real graphite.
So if you let them cool down then and remove the outer ash, inside you have very
good conductive graphite.


But in these batteries the alufoil or alucase will be consumed sooner or
later, but the lampblack or graphite will not be consumed.

The moisture of the air already is enough to get the galvanic acting
starting..
If you add K2CO3 soluted in tap water as the electrolyte you get around 1.5 Volts
from these cells and you only consume the Aluminium.
Then they have real good power also..


Hope this helps.


Regards, Stefan.

[hartiberlin]

Something like this:

www.ebay.com/itm/Carbon-Lampblack-500-gm-Fisher-/320770612878

but in painters shops you get it more cheaply probably,
cause this one is pretty pure...

Regards, Stefan.

[jbignes5]

Yeah Go for it! Anything you get for free is still free right?

I'm hoping to quell the aluminum corrosion with pre oxided aluminum. Or maybe oil additive like nick suggested?